<template>
  <div style="display: flex">
    <div style="margin-right: 20px;width: 200px">
      <el-time-select
          v-model="startTime"
          :placeholder="startPlaceholder"
          :start="startTimeStart"
          :step="startStep"
          :end="startTimeEnd"
          v-bind="$attrs.startOptions"
      ></el-time-select>
    </div>
    <div style="width: 200px">
      <el-time-select
          v-model="endTime"
          :min-time="startTime"
          :placeholder="endPlaceholder"
          :start="endTimeStart"
          :step="endStep"
          :end="endTimeEnd"
          :disabled="endTimeDisabled"
          v-bind="$attrs.endOptions"
      ></el-time-select>
    </div>
  </div>
</template>

<script setup lang="ts">
import {ref, watch} from 'vue'
let props = defineProps({
  // 开始时间的占位符
  startPlaceholder: {
    type: String,
    default: '请选择开始时间'
  },
  // 结束时间的占位符
  endPlaceholder: {
    type: String,
    default: '请选择结束时间'
  },
  // 开始时间的开始选择
  startTimeStart: {
    type: String,
    default: "08:00"
  },
  // 开始时间的步进
  startStep: {
    type: String,
    default: "00:30"
  },
  // 开始时间的结束选择
  startTimeEnd: {
    type: String,
    default: "24:00"
  },
  // 结束时间的开始选择
  endTimeStart: {
    type: String,
    default: "08:00"
  },
  // 结束时间的步进
  endStep: {
    type: String,
    default: "00:30"
  },
  // 结束时间的结束选择
  endTimeEnd: {
    type: String,
    default: "24:00"
  },
})

// 开始时间
let startTime = ref<string>('')
// 结束时间
let endTime = ref<string>('')
// 是否禁用结束时间
let endTimeDisabled = ref<boolean>(true)

let emits = defineEmits(['startChange', 'endChange'])

// 监听开始时间的变化
watch(() => startTime.value, val => {
  if (val === ''||val == undefined) {
    endTime.value = ''
    endTimeDisabled.value = true
  }
  else {
    endTimeDisabled.value = false
    // 给父组件分发事件
    emits('startChange', val)
  }
})

// 监听结束时间的变化
watch(() => endTime.value, val => {
  if (val !== ''||val == undefined) {
    emits('endChange', {
      startTime: startTime.value,
      endTime: val
    })
  }
})



</script>

<style lang="scss" scoped>

</style>
